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Plants Cover The Earth. The Carboniferous Period of the Paleozoic Era began 354 million years ago. It lasted for about 64 million years, until 290 million years ago. The name âCarboniferousâ came from the large amounts of carbon-bearing coal that was formed during the period.In the United States, the Carboniferous is divided into two epochs.he End of The Carboniferous Period. The end of the Carboniferous period is marked by global climate changes due to the glaciers that covered the South Pole. The mass extinctions that mark the end of other geologic periods were not present, yet many species did go extinct during this time.
As with most older geologic periods, the rock beds that define the period's start and end are well identified, but the exact dates are uncertain by 5â10 million years. The Carboniferous is named for the extensive coal beds of that age found in Western Europe. The first third of the Carboniferous is called the Mississippian epoch, and the remainder is called the Pennsylvanian. Conifer trees were introduced in this important and well-known time period.